Paddy Straw: what do the growing supplies cost?
Paddy Straw supplies are sold in 3 product categories (liquid culture, agar & lab, substrate & amendments) across 1 US vendors — 3 listings tracked, 3 in stock, updated September 4, 2026. Prices below are grouped by category because a grow kit, a bag of spawn and a culture syringe are different products; comparing them against each other would be misleading.
Liquid culture
Cheapest today
$12.73/syringe
Median
$12.73/syringe
Highest today
$12.73/syringe
In stock now
1
| Vendor | Listing | Per syringe | Listing price | Stock | |
|---|---|---|---|---|---|
| Out-Grow | Paddy Straw (Volvariella Volvacea) Liquid Culture Syringe | $12.73 | $12.73 | in stock | view → |
Price history — liquid culture (daily median)
Agar & lab
Cheapest today
$26.47/plate
Median
$26.47/plate
Highest today
$26.47/plate
In stock now
1
| Vendor | Listing | Per plate | Listing price | Stock | |
|---|---|---|---|---|---|
| Out-Grow | Paddy Straw (Volvariella Volvacea) Mushroom Plate Culture | $26.47 | $26.47 | in stock | view → |
Price history — agar & lab (daily median)
Substrate & amendments
Cheapest today
$19.95/bag
Median
$19.95/bag
Highest today
$19.95/bag
In stock now
1
| Vendor | Listing | Per bag | Listing price | Stock | |
|---|---|---|---|---|---|
| Out-Grow | 50/50 Horse Manure and Straw Mushroom Substrate (5lb Bag) | $19.95 | $19.95 | in stock | view → |
Price history — substrate & amendments (daily median)
We check Paddy Straw supply prices at every vendor we track, every day. How the index works · All categories · All tracked species